| 摘要 |
PROBLEM TO BE SOLVED: To supply bored flooring as a ready-made product by using a metallic channel-shaped member for a floor beam, to increase horizontal strength by constituting a lattice-structure ceiling of the flooring and a ceiling material, to provide the floor beam with a simple means, by which strength in the vertical direction is increased, to provide a bolt-constructed building having excellent mass productivity and high aseismic strength while even a high-grade log house, into which rainwater is not infiltrated, to instantaneously complete members and commence works only by selecting one of several kind type foundation drawings in the case of a disaster, and to provide a house for 100 yrs in a delivery date of 45 days. SOLUTION: The bolt-constructed building, in which the floor beams are classified into main beams and branch beams, boltholes for fixing columns are formed at regular intervals, the bored floor beans are manufactured and freely correspond to the change of floor plans and mass productivity is imparted, a Shoji-screen ceiling structure is formed of the ceiling materials and bored branch beams and bracings can be omitted, and reinforcing square timber is buried among pairs of the bored floor beams in long spans and fixed integrally and strength in the vertical direction is also increased, is provided while the mass production type log house, into which rainwater is not infiltrated and which has large aseismicity, is constituted of log timber in which core timber by thinning is bonded and aggregated in the vertical direction, turning the core timber upside down.
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